444892146 has 8 divisors (see below), whose sum is σ = 889784304. Its totient is φ = 148297380.

The previous prime is 444892141. The next prime is 444892153. The reversal of 444892146 is 641298444.

It is a sphenic number, since it is the product of 3 distinct primes.

444892146 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 444892098 and 444892107.

It is not an unprimeable number, because it can be changed into a prime (444892141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37074340 + ... + 37074351.

It is an arithmetic number, because the mean of its divisors is an integer number (111223038).

Almost surely, 2^444892146 is an apocalyptic number.

444892146 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

444892146 is a wasteful number, since it uses less digits than its factorization.

444892146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74148696.

The product of its digits is 221184, while the sum is 42.

The square root of 444892146 is about 21092.4665698443. The cubic root of 444892146 is about 763.3989875495.

The spelling of 444892146 in words is "four hundred forty-four million, eight hundred ninety-two thousand, one hundred forty-six".